Remember MS Passport?

Jeffery Zeldman on Facebooks new ‘Like’ button snippet:

So what will this Facebook’s redefinition mean, ultimately? No clue. But most of us, if we think about it, have seen Big Things like this come and go on the web. Remember when every third website required Microsoft Passport to unlock features or let you log in? And Mac and Linux users were angry, because the web is supposed to be an open platform, not a dominant vendor’s sandbox? Remember? Probably not. It was quite a big deal at the time, but almost nobody thinks about it now.

Exactly. Whole post is worth a read.